After Shenzhen medical insurance changed from second grade to first grade, where did the money paid before go?

Automatically transfer to a new personal account. According to the website of Shenzhen government, it will be automatically transferred to a new personal account. In Shenzhen, after the second grade of medical insurance is transferred to the first grade, the money previously paid will be automatically transferred to the new personal account. If the insured person changes from the second file of basic medical insurance to the first file of basic medical insurance, the balance of his personal account can continue to be used without paying again.